debianize-mobilizon/lib/mobilizon/admin/admin.ex

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defmodule Mobilizon.Admin do
@moduledoc """
The Admin context.
"""
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import Ecto.Query
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import EctoEnum
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alias Mobilizon.Actors.Actor
alias Mobilizon.{Admin, Users}
alias Mobilizon.Admin.ActionLog
alias Mobilizon.Admin.Setting
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alias Mobilizon.Storage.{Page, Repo}
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alias Mobilizon.Users.User
defenum(ActionLogAction, [
"update",
"create",
"delete",
"suspend",
"unsuspend"
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])
alias Ecto.Multi
@doc """
Creates a action_log.
"""
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@spec create_action_log(map) :: {:ok, ActionLog.t()} | {:error, Ecto.Changeset.t()}
def create_action_log(attrs \\ %{}) do
%ActionLog{}
|> ActionLog.changeset(attrs)
|> Repo.insert()
end
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@doc """
Returns the list of action logs.
"""
@spec list_action_logs(integer | nil, integer | nil) :: Page.t(ActionLog.t())
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def list_action_logs(page \\ nil, limit \\ nil) do
list_action_logs_query()
|> Page.build_page(page, limit)
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end
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@doc """
Log an admin action
"""
@spec log_action(Actor.t(), String.t(), struct()) ::
{:ok, ActionLog.t()} | {:error, Ecto.Changeset.t() | :user_not_moderator}
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def log_action(%Actor{user_id: user_id, id: actor_id}, action, target) do
%User{role: role} = Users.get_user!(user_id)
if role in [:administrator, :moderator] do
Admin.create_action_log(%{
"actor_id" => actor_id,
"target_type" => to_string(target.__struct__),
"target_id" => target.id,
"action" => action,
"changes" => stringify_struct(target)
})
else
{:error, :user_not_moderator}
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end
end
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@spec list_action_logs_query :: Ecto.Query.t()
defp list_action_logs_query do
from(r in ActionLog, preload: [:actor], order_by: [desc: :id])
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end
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defp stringify_struct(%_{} = struct) do
association_fields = struct.__struct__.__schema__(:associations)
struct
|> Map.from_struct()
|> Map.drop(association_fields ++ [:__meta__])
end
defp stringify_struct(struct), do: struct
@spec get_all_admin_settings :: list(Setting.t())
def get_all_admin_settings do
Repo.all(Setting)
end
@spec get_admin_setting_value(String.t(), String.t(), String.t() | nil) ::
String.t() | boolean() | nil | map() | list()
def get_admin_setting_value(group, name, fallback \\ nil)
when is_binary(group) and is_binary(name) do
case Repo.get_by(Setting, group: group, name: name) do
nil ->
fallback
%Setting{value: ""} ->
fallback
%Setting{value: nil} ->
fallback
%Setting{value: value} ->
get_setting_value(value)
end
end
@spec get_setting_value(String.t() | nil) :: map() | list() | nil | boolean() | String.t()
def get_setting_value(nil), do: nil
def get_setting_value(value) do
case Jason.decode(value) do
{:ok, val} ->
val
{:error, _} ->
case value do
"true" -> true
"false" -> false
value -> value
end
end
end
@spec save_settings(String.t(), map()) :: {:ok, any} | {:error, any}
def save_settings(group, args) do
Multi.new()
|> do_save_setting(group, args)
|> Repo.transaction()
end
def clear_settings(group) do
Setting |> where([s], s.group == ^group) |> Repo.delete_all()
end
@spec do_save_setting(Ecto.Multi.t(), String.t(), map()) :: Ecto.Multi.t()
defp do_save_setting(transaction, _group, args) when args == %{}, do: transaction
defp do_save_setting(transaction, group, args) do
key = hd(Map.keys(args))
{val, rest} = Map.pop(args, key)
transaction =
Multi.insert(
transaction,
key,
Setting.changeset(%Setting{}, %{
group: group,
name: Atom.to_string(key),
value: convert_to_string(val)
}),
on_conflict: :replace_all,
conflict_target: [:group, :name]
)
do_save_setting(transaction, group, rest)
end
@spec convert_to_string(any()) :: String.t()
defp convert_to_string(val) do
case val do
val when is_list(val) -> Jason.encode!(val)
val -> to_string(val)
end
end
end